Iridium - Periodic Table of Videos
1,042,330 Views
381 Questions Answered
Best of Web
Let’s Begin…
The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Iridium is element 77 and its symbol is Ir.
Create and share a new lesson based on this one.
Due to its resistance to wear, an alloy of iridium and osmium was used in fountain pen nibs and, as a school boy, the professor used such a pen to write all of his high-school exams!
About TED-Ed Best of Web
TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
Meet The Creators
- Video created by Periodic Videos
- Lesson Plan created by Periodic Videos
